good luck charm coaster !
109.5mm diameter.
only 3-5 filament changes.
Stand for my coasters here:
4pcs : https://makerworld.com/en/models/170541#profileId-187215
6pcs : https://makerworld.com/en/models/170544#profileId-187219
8pcs : https://makerworld.com/en/models/170546#profileId-187222
If you want a design in a similar motif feel free to message me :)